Search Results - "SEMIAT, Raphael"

Modification of polyamide membranes by hydrophobic molecular plugs for improved boron rejection by Shultz, Shiran, Bass, Maria, Semiat, Raphael, Freger, Viatcheslav

“…Commercial polyamide RO membranes, though effective in terms of flux and salt removal, have a few drawbacks, in particular, poor rejection of boron (B), thus…”
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Comparing the effects of Cu-Ti/RuO2-IrO2 electrode configuration on the electro-reduction of nitrate by Shemer, Hilla, Semiat, Raphael

“…Abstract Nitrate pollution is a global problem as it affects both the environment and human health. The objective of this research was to study the effect of…”
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Boron removal from water and its recovery using iron (Fe+3) oxide/hydroxide-based nanoparticles (NanoFe) and NanoFe-impregnated granular activated carbon as adsorbent by Zelmanov, Grigori, Semiat, Raphael

“…This study presents information obtained by the synthesis of Fe(3) oxide/hydroxide nanoparticles sol (NanoFe) and NanoFe-impregnated granular activated carbon…”
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Challenges and Solutions for Global Water Scarcity by Shemer, Hilla, Wald, Shlomo, Semiat, Raphael

“…Climate change, global population growth, and rising standards of living have put immense strain on natural resources, resulting in the unsecured availability…”
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Fouling control and modeling in reverse osmosis for seawater desalination: A review by Najid, Noura, Hakizimana, Jean Nepo, Kouzbour, Sanaa, Gourich, Bouchaib, Ruiz-García, Alejandro, Vial, Christophe, Stiriba, Youssef, Semiat, Raphael

“…•The different fouling mechanisms impairing RO membranes were described.•The various fouling control strategies to mitigate RO membrane fouling were…”
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Competitive study of homogeneous and heterogeneous Fenton-like flow-through propoxur oxidation in ROC solution by Azaiza, Abed-Alhakeem, Semiat, Raphael, Shemer, Hilla

“…Reverse osmosis is used as a tertiary treatment for wastewater reclamation. However, sustainable management of the concentrate (ROC) is challenging, due to the…”
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Analysis of forward osmosis desalination via two-dimensional FEM model by SAGIV, Abraham, ZHU, Aihua, CHRISTOFIDES, Panagiotis D, COHEN, Yoram, SEMIAT, Raphael

“…Forward osmosis (FO) desalination was investigated via 2-D numerical model of the fully coupled hydrodynamics and mass transfer equations. The model was…”
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Adsorption–desorption mechanism of phosphate by immobilized nano-sized magnetite layer: Interface and bulk interactions by Zach-Maor, Adva, Semiat, Raphael, Shemer, Hilla

“…Interface and bulk adsorption and desorption mechanisms of phosphate by a homogenous porous layer of nano-sized magnetite particles immobilized onto granular…”
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Analytical Model for Predicting Induction Times in Reverse Osmosis Systems with and without Antiscalants by Sagiv, Abraham, Semiat, Raphael, Shemer, Hilla

“…A simple predictive analytical model for induction times in reverse osmosis (RO), both with and without an antiscalant (AS), has been developed based on the…”
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Impact of halogen based disinfectants in seawater on polyamide RO membranes by Shemer, Hilla, Semiat, Raphael

“…The effect of halogen based disinfectants including monochloramines (NH 2Cl), free chlorine (HOCl/OCl −), and free oxidants (mixture of HOCl/OCl − and…”
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On the analysis of FO mass transfer resistances via CFD analysis and film theory by Sagiv, Abraham, Christofides, Panagiotis D., Cohen, Yoram, Semiat, Raphael

“…The use of 2D finite element CFD model and the common film model (FM) for analysis of FO performance data was examined to assess the merits of conclusions…”
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Boron removal from water by complexation to polyol compounds by Geffen, Nitzan, Semiat, Raphael, Eisen, Moris S., Balazs, Yael, Katz, Ilan, Dosoretz, Carlos G.

“…Boron is an important micronutrient for plants, animals and humans, although the range between deficiency and excess is narrow. The use of desalinated water…”
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Energy Issues in Desalination Processes by Semiat, Raphael

“…Water, energy, and environmental issues are closely related. New water techniques consume energy, and innovative renewable energy techniques using biofuels and…”
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Scaling propensity of seawater in RO boron removal processes by Hasson, David, Shemer, Hilla, Brook, Irina, Zaslavschi, Irina, Semiat, Raphael, Bartels, Craig, Wilf, Mark

“…► Boron concentration in RO desalination of seawater is controlled by pH increase which promotes scaling propensity. ► This study provides hitherto lacking…”
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Quantitative Measures of Reliability and Sensitivity of Nanoparticle-Based Sensors in Detecting Volatile Organic Compounds by Sagiv, Abraham, Mansour, Elias, Semiat, Raphael, Haick, Hossam

“…We herein provide quantitative measures of sensors’ reliability and sensitivity as a function of the sensor’s capacity (maximum detection signal or saturation…”
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Sustainable RO desalination – Energy demand and environmental impact by Shemer, Hilla, Semiat, Raphael

“…The expedient solution to water scarcity worldwide is desalinization. Nevertheless, common misconceptions of high cost, energy intensiveness and negative…”
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Effect of solvent properties on permeate flow through nanofiltration membranes. Part I: investigation of parameters affecting solvent flux by Machado, Darı́o R., Hasson, David, Semiat, Raphael

“…The objective of the present study was to characterize transport properties of solvents permeating through solvent resistant nanofiltration membranes that have…”
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Inception of CaSO4 scaling on RO membranes at various water recovery levels by Hasson, David, Drak, Alexander, Semiat, Raphael

“…This paper describes laboratory techniques for characterizing the permissible water recovery fraction in RO desalination, which is limited by the need to avoid…”
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Induction times induced in an RO system by antiscalants delaying CaSO4 precipitation by HASSON, David, DRAK, Alexander, SEMIAT, Raphael

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Scaling of RO membranes from silica supersaturated solutions by Semiat, Raphael, Sutzkover, Iris, Hasson, David

“…The paper describes results of experiments performed with supersaturated silica feed solutions, aiming to elucidate basic silica scaling phenomena with and…”
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